Most tourists who visit Yellowstone National Park snap photos of Old Faithful and stroll past bubbling mud pots, never ...

The reason the region is safe is because, aside from Yellowstone being closed during the winter months, it has not yet ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

A muddy eruption at Yellowstone National Park was just captured on camera in an area that has been closed to the public for ...

Black Diamond Pool eruption provides dramatic footage after being captured on official camera ...

A shocking hole has emerged in Yellowstone, leaving experts speculating about potential supervolcanic activity beneath the ...

Officials at Yellowstone National Park are shutting down rumors circulating on social media about wildlife leaving the park due to potential volcanic eruptions. Claims about animals leaving ...

Mountain building occurred all around the Yellowstone region and highlights a tortured geological history of uplift and volcanism. The Gallatin Range, just northeast of Yellowstone Caldera, is an ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Deborah Bergfeld, research geologist ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...

Yellowstone National Park is cradled inside a gentle depression created by a giant volcanic eruption 640,000 years ago. The ground collapsed, leaving a bowl-shaped caldera. It was the third in a ...